package com.zp.imagecompresspractice;

import android.animation.IntEvaluator;
import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.content.Intent;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.view.View;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;

import com.zp.imagecompresspractice.View.TabFragment;
import com.zp.imagecompresspractice.View.TabShapeActivity;
import com.zp.imagecompresspractice.View.TabViewActivity;
import com.zp.imagecompresspractice.View.ViewWrapper;

public class MainActivity extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener ,View.OnClickListener{

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                        .setAction("Action", null).show();
            }
        });

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
                this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
        drawer.setDrawerListener(toggle);
        toggle.syncState();

        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
        navigationView.setNavigationItemSelectedListener(this);
    }

    @Override
    public void onBackPressed() {
        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        if (drawer.isDrawerOpen(GravityCompat.START)) {
            drawer.closeDrawer(GravityCompat.START);
        } else {
            super.onBackPressed();
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    @SuppressWarnings("StatementWithEmptyBody")
    @Override
    public boolean onNavigationItemSelected(MenuItem item) {
        // Handle navigation view item clicks here.
        int id = item.getItemId();

        if (id == R.id.nav_camera) {
            // Handle the camera action
            startActivity(new Intent(this,LuBanActivity.class));
        } else if (id == R.id.nav_gallery) {
            startActivity(new Intent(this,CompressorActivity.class));
        } else if (id == R.id.nav_slideshow) {
            startActivity(new Intent(this,TabViewActivity.class));
        } else if (id == R.id.nav_manage) {
            startActivity(new Intent(this,TabShapeActivity.class));
        } else if (id == R.id.nav_share) {

        } else if (id == R.id.nav_send) {

        }

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        drawer.closeDrawer(GravityCompat.START);
        return true;
    }

    @Override
    public void onClick(View view) {

    }

    private void performAnimate(View view){
        ViewWrapper wrapper = new ViewWrapper(view);
        ObjectAnimator.ofInt(wrapper,"width",500).setDuration(5000).start();
//        当传入的object没有set"width"这个方法时，会报红。
//        wrapper有setWidth(，所以可以直接使用。
    }

    /**
     * @param target
     * @param start
     * @param end
     * 我得疑问在于，到底是View的宽度在1到100之间动画，（如果它原来的宽度是50），还是View增加的宽度在1到100之间增加
     */
    private void performAnimate(final View target, final int start, final int end){
        ValueAnimator valueAnimator = ValueAnimator.ofInt(1,100);
        valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
//            创建一个整型估值器
            private IntEvaluator intEvaluator = new IntEvaluator();
            @Override
            public void onAnimationUpdate(ValueAnimator valueAnimator) {
                int currentValue = (int) valueAnimator.getAnimatedValue();
                float fraction = valueAnimator.getAnimatedFraction();//获取当前进度占整个进度的比例
                target.getLayoutParams().width = intEvaluator.evaluate(fraction,start,end);//根据比例估算出当前应该的宽度
                target.requestLayout();
            }
        });
    }
}
